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RISOn the Measurement of the Transfer of Gases across the Air–Sea Interface
Publisher: American Meteorological Society
Abstract: An outline is given of the procedure for obtaining the gas transfer across the air?sea interface when the heat flux from the water to the surface is known. An essential assumption is similarity between the fluxes of heat ...
Viscous Dissipation of Turbulence Kinetic Energy in Storms
Publisher: American Meteorological Society
Abstract: In this note the magnitude of the viscous dissipation of turbulence kinetic energy in the surface layer of storms is investigated. It is shown that the layer-integrated dissipative heating is a cubic function of the wind ...
Large-Scale Eddies in the Unstably Stratified Atmospheric Surface Layer. Part II: Turbulent Pressure Fluctuations and the Budgets of Heat Flux, Stress and Turbulent Kinetic Energy
Publisher: American Meteorological Society
Abstract: A method is developed for retrieving turbulent pressure fluctuations from tower measurements of velocity and temperature, through use of the equations of motion. This method is applied to a series of large-scale eddies ...
A Model for Entrainment into a Cloud-Topped Marine Boundary Layer. Pad II: Discussion of Model Behavior and Comparison with Other Models
Publisher: American Meteorological Society
Abstract: The model for the cloud-topped marine boundary layer presented by Stage and Businger (1981) is discussed and compared with previous models. Our model gives a considerably different interpretation of the energetics of the ...
A Model for Entrainment into a Cloud-Topped Marine Boundary Layer. Part I: Model Description and Application to a Cold-Air Outbreak Episode
Publisher: American Meteorological Society
Abstract: A model is presented for the growth and evolution of a cloud-topped marine boundary layer. In this model the entrainment rate is determined from the turbulence kinetic energy (TKE) budget. It is assumed that the TKE budget ...
Intermittency and the Organization of Turbulence in the Near-Neutral Marine Atmospheric Boundary Layer
Publisher: American Meteorological Society
Abstract: Aircraft data from the JASIN Experiment have been used to examine the role that intermittency plays in turbulent transfer in the near-neutral marine atmospheric boundary layer. Conditional sampling, using the time-varying ...
Thermally Indirect Motions in the Convective Atmospheric Boundary Layer
Publisher: American Meteorological Society
Abstract: The energetics of the dry convective boundary layer is studied by partitioning the turbulent heat flux into thermally indirect (w???<0) and thermally direct (w???>0) components as a function of z/Zi. It is found that except ...
Flux Measurement with Conditional Sampling
Publisher: American Meteorological Society
Abstract: A method is proposed to measure scalar fluxes using conditional sampling. Only the mean concentrations of updraft and downdraft samples, the standard deviation of the vertical velocity, and a coefficient of proportionality, ...
An Accurate Fast Response Temperature System Using Thermocouples
Publisher: American Meteorological Society
Abstract: An accurate and fuss response thermocouple-based temperature system has been developed for use in the atmospheric surface layer. The absolute accuracy is better than ±0.01°C and the relative accuracy between thermocouples ...